Company Restructuring - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 170	$ 253	$ 39
Employee costs
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date for active programs	247
Exit costs
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date for active programs	$ 157